Analysis of data from 280 rivers discharging to the ocean indicates that sediment loadslyields are a log-linear function of basin area and maximum elevation of the river basin. Other factors controlling sediment discharge (e.g., climate, runoff) appear to have secondary importance. A notable exception is the influence of human activity, climate, and geology on the rivers draining southern Asia ...

Before 1900, the Missouri–Mississippi River system transported an estimated 400 million metric tons per year of sediment from the interior of the United States to coastal Louisiana. During the last two decades (1987–2006), this transport has averaged 145 million metric tons per year. The cause for this substantial decrease in sediment has been attributed to the trapping characteristics of dams ...

Improving wind erosion prediction and control requires correct estimates of the suspended dust (ss) and saltation (sn) components from field erosion events. The objectives of this study were to (a) develop an improved methodology (HPS) to estimate the fractions of sn and ss in the sediment discharge, and (b) compare HPS predictions to those of LM (Leys and McTainsh, 1996) and CN (Chepil and Woo...

Lake Tanganyika is an ancient, tropical, fresh water lake associated with the Great African Rift. Due to active deforestation in many areas surrounding Lake Tanganyika, there is a measurable increase in sediment discharge entering the lake. Certain protected areas (protected from fire and deforestation) allow for comparison of sediment discharge, including grain size distribution and lithologic...

In this experimental work, we have shown that the geometric shape of the grooves (furrows) plays an important role in sediment dynamics. In addition, the rheological behaviour of solid discharge does not depend only on the velocity discharge but also on the geometric shape. Keywords—Laboratory experiments, soil erosion, groove, furrow, sediment transport

Experiments were conducted to evaluate the influence of sediment concentration, slope and discharge on sediment deposition rates and patterns associated with a reduction in bed slope. Analysis of the data shows that up to a certain unit discharge a simple settling equation without a transport term gives a good prediction of the sediment delivery ratio and the grain-size distribution of the depo...